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Both isomers show absorption hypochromicity and the same CV behavior associated with binding to B-form DNA.

结果表明,两种旋光对映体与DNA发生作用时具有相同的电化学相同的紫外可见光谱。

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A rapid method based on ELISA was developed for determination of endosulfan isomers and endosulfan sulfate in wheat.

研究应用酶联免疫方法,快速检小麦中硫丹及硫丹硫酸酯。

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A structural isomer of citral that is obtained from the oxidation of nerol and is used to make perfumes and flavorings.

顺丁烯酸氧化形成的酸(如在脂肪碳水化合物的新陈代谢中)。

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The isomers dostribution of ortho-and para-toluenesulfonamide are successfully determined by high performance liquidchromatography (HPLC) . The results are compared with ultraviolet-spectroscopy (UV).

本文采用高效液相色谱法(HPLC),成功地邻、对甲苯磺酰胺的异构体分布,并用紫外光谱法(UV)作对照的方法进比较。

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Four isomers formed by a gold atom attached to a pentacene molecule were investigated by density functional theory due to their potential applications in molecular electronics.

用密度泛函理论研究并五苯-金异构体的结构、电子光谱阶非线性光学性质。

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The isomer ratio of o-MNT to p-MNT,the degree of dinitration and the ratio of 2,6-DNT to 2,4-DNT have been investigated in the mononitration product of toluene by mixed acid.

通过改变反应条件,研究硝硫混酸硝化剂对甲苯一段硝化产物的邻对异构体比例、硝化程度及2,6-硝基甲苯与2,4-硝基甲苯生成比例的影响。

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Crash Course 合篇

But pentane, C5H12, has 3 possible isomers and C6H14, known as hexane, has 5.

但是戊烷 C5H12 有 3 种的异构体, 而称为己烷的 C6H14 有 5 种。

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化学 Crash Course

Thus, no isomers with alkynes. Phew. OK I'm done describing for the moment.

因此,与炔烃没有异构体。呸。好的,我暂时完成描述。

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化学 Crash Course

But if the parts are different, it's possible to have two totally different isomers of the same compound.

但是,如果部分不同,则同一化合有两种完全不同的异构体。

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化学 Crash Course

You would have to break the pi bond, and thus, the entire molecule to rotate between isomers.

你必须破 pi 键,因此,整个分子才在异构体之间

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Crash Course 合篇

These different structures for compounds that have the same molecular formula are called isomers.

具有相同分子式的化合的这些不同结构称为异构体。

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Scishow 精选系列

The kinked configuration is called the" cis isomer" and the straight one is the trans isomer.

结状排列成为“顺式异构体”线状排列,成为“反式异构体”。

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Crash Course 合篇

So the number of atoms is butane only allows for 2 isomers, n-butane and isobutane.

所以原子数是丁烷只允许2种异构体, 正丁烷和异丁烷。

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Crash Course 合篇

But looking at this table of the number of possible isomers you could see that that escalated quickly.

但是查看这张的异构体数量表, 您会发现它迅速增加。

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化学 Crash Course

Well we know that they're unsaturated alkenes because saturated fats don't have double bonds, and thus, can't have cis- and trans- isomers.

我们知道它们是不饱和烯烃, 因为饱和脂肪没有双键,因此不会有顺式和反式异构体。

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化学 Crash Course

They're not structural isomers like n-butane and i-butane, instead, they're what we call cis-trans isomers.

它们不是像正丁烷和正丁烷那样的结构异构体,相反,它们就是我们所说的顺反异构体。

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Crash Course 合篇

They call that isobutane and it is an isomer of butane, but according to these all important rules of nomenclature, it's not actually any sort of butane at all.

他们称其为异丁烷, 它是丁烷的异构体,但根据所有重要的命名规则, 它实际上根本不是丁烷。

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经济学人(汇总)

Evolution has provided a goodly range of these in the form of enzymes, which are large, complicated and sometimes temperamental protein molecules, but which have the advantage that they can create pure versions of what are known as optical isomers.

进化以酶的形式提供了大量的这类质,这些酶是大型的、复杂的、有时还会变化无常的蛋白质分子,但它们的优点是以产生被称为光学异构体的纯净版本。

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